diff --git a/ontology/saref4envi.ttl b/ontology/saref4envi.ttl
index 51cbfc0ea251fe7e9399b9d57d638d29a7f52390..0f1ac4852fb004e65cc5d70426705523fa9c2c24 100644
--- a/ontology/saref4envi.ttl
+++ b/ontology/saref4envi.ttl
@@ -41,6 +41,7 @@
 dcterms:issued rdf:type owl:AnnotationProperty .
 dcterms:modified rdf:type owl:AnnotationProperty .
 dcterms:source rdf:type owl:AnnotationProperty .
+dcterms:contributor rdf:type owl:AnnotationProperty .
 
 ###  http://purl.org/dc/elements/1.1/description
 dcterms:description rdf:type owl:AnnotationProperty .